Whirlpool bathtub



FIG. 1 is a front perspective view of a whirlpool bathtub, showing mynew design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 2;

FIG. 8 is a cross-sectional view taken along lien 8--8 of FIG. 2;

FIG. 9 is a cross-sectional view taken along line 9--9 of FIG. 2; and

FIG. 10 is a cross-sectional view taken along line 10--10 of FIG. 2.

The ornamental design for a whirlpool bathtub, as shown and described.